¡Citado!:Identificar la información creíble en línea (Cited! Identifying Credible Information Online)

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

Los ecos de la tragedia, de Javier Pérez Campos, autor de otros libros de esoterismo y ciencias ocultas como 2012: Los enigmas del apocalipsis maya o En busca de lo imposible, narra la increíble aventura de un periodista en busca de la verdad. ¿Hay vida después de la muerte? Javier Pérez Campos es un joven periodista que lleva años dedicándose a la búsqueda del misterio a lo largo y ancho de nuestro país y que trabaja con Iker Jimenez, tanto en la televisión como en la radio, y viene avalado por él. Javier Sierra también le apoya en todo, ya que se conocen desde hace tiempo y les...

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.

Discover the beauty of the four seasons! These leveled nonfiction titles present the complicated concept of seasons-including how the position of the Sun and Earth change them-and makes it easy for emergent readers to understand.